Waec Biology Past Questions and Answers

Question 511:

• WAEC 1998

The part labelled IV in the diagram is the

A. Phloem
B. Pericycle
C. Cortex
D. Xylem
E. Epidermis

Question 512:

• WAEC 1998

Which of the following is not a function of the blood?

A. Maintenance of body temperature
B. Formation of clot
C. Distribution of bile
D. Transportation of excretory materials.
E. Distribution of hormones

Question 513:

• WAEC 1998

Which of the following statements about the circulation of blood is not correct?

A. Deoxygenated blood flows in the heart through the vena cavae
B. Blood is pumped out of the heart through the aorta
C. Oxygenated blood from the lung; is carried to the left auricle
D. The oxygenated blood enters the lungs through the pulmonary vein
E. Ventricles contract to pump blood into the aorta

Question 514:

• WAEC 1998

A difference between the auricle and the ventricle of the mammalian heart is that the

A. Ventricles carry deoxygenated blood
B. Ventricles do not have outlets
C. Auricles have no valves
D. Walls of the ventricles are lese muscular then that of the auricles
E. Walls of the ventricles are more muscular than that of the auricles

Question 515:

• WAEC 1998

Which of the following organism respires through the body surface

A. Man
B. Fish
C. Tridax
D. Amoeba
E. Hibiscus